【正文】 ation, but also connected infrastructure (基礎設施) construction. There39。 Ericsson stated at February39。The lightingfast speed of 5G.B.5G world won39。t concentrated in big cities.D.根據(jù)第二段中的“and that is to say, it is a sign of tim”也就是說，這是時間的標志，”可知，劃線詞的意思是“標志，象征”。t get too excited. There39。 D.Bees39。To put forward techniques for gardeners. （1）考查代詞指代。5．犇犇閱讀理解 He pared it to the milkman model of the 1950s in the United States. Back then, someone brought milk to your doorstep in glass bottles and then left with empty bottles. These could be cleaned and used again. The result is zerowaste.Introduce a new topic.（2）Where does the idea Loop e from? A.A new shopping model.根據(jù)第四段中的“Szaky said that Loop is the future of shopping. But it es from an idea of the past.”和第五段“He pared it to the milkman model of the 1950s in the United States. Back then, someone brought milk to your doorstep in glass bottles and then left with empty bottles. These could be cleaned and used again. The result is zerowaste.”可知，Loop購物模式的想法來自于過去送奶工模式，是一種可以杜絕零浪費的模式。 【點評】本題考點涉及細節(jié)理解，推理判斷和主旨大意三個題型的考查，是一篇環(huán)保類閱讀，考生需要準確掌握細節(jié)信息，并根據(jù)上下文進行邏輯推理，概括歸納，從而選出正確答案。 While we are still in an early stage of development, our initial results with RAS have been promising, Minor said. The next step in the research will be to test RAS39。B.Optimistic.D.根據(jù)最后一段中的“The next step in the research will be to test RAS39。 【點評】本題考點涉及細節(jié)理解，推理判斷和主旨大意三個題型的考查，是一篇科技類閱讀，考生需要準確捕捉細節(jié)信息，同時根據(jù)上下文進行邏輯推理，概括歸納，從而選出正確答案。Our results lend support to the importance of time perception in animals where the ability to perceive time in a very short time may be the difference between life and death for fast moving creatures. mented lead author Kevin Healy from Trinity College Dublin.Our results suggest that time perception offers an as yet unstudied dimension along which animals can specialize and there is considerable range to study this system in more detail.（1）What is the research mentioned in the passage mainly about？ A.Lifetime of small animals.D.They can process the information as quickly as they receive it.C. （1）考查細節(jié)理解。根據(jù)倒數(shù)第二段中的“the tiger beetle（虎甲蟲）runs faster than its eyes can keep up，basically being blind，which requires it to stop periodically to reevaluate its prey39。s most famous painting seems to look back at observers, following them with her eyes no matter where they stand in the room. But this mon knowledge turns out wrong.s gaze (凝視) in a photograph or painting seeming to follow the viewer is called the Mona Lisa effect . That effect is absolutely real, Horstmann said. If a person is illustrated or photographed looking straight ahead, even people viewing the portrait from an angle will feel they are being looked at. As long as the angle of the person39。s gaze. To calculate the angle of Mona Lisa39。attracts the viewers to look backs possible, he said, that people have the desire to be looked at, so they think the woman is looking straight at them. Or maybe the people who first coined the term Mona Lisa effect just thought it was a cool name.（1）It is generally believed that the woman in the painting Mona Lisa To make sure it wasn39。surprisingly, doing so would make an observer feel like the character isn39。well outside of the range that people normally believe when they think someone is looking right at them. In other words, said the study author, Horstmann, She39。 It39。根據(jù)第四段中的“The research showed flies ‘observe motion in a shorter time than our own eyes can achieve，’which allows them to avoid being hit.”可知，家蠅觀察物體運動的時間比我們人眼所能達到的時間要短，這使得它們能夠避免被擊中；再結合第五段中的“but they can make good decisions very quickly.”可知，它們可以很快做出好的決定，也就是說它們可以盡快處理收到的信息，故選B。D.Prevent itself from being blind.C.Animals with poor ability of time perception have a shorter life.（3）Why can houseflies avoid being hit? A.B.One example of this phenomenon at work, the authors say, is the housefly and its ability to avoid being hit. The research showed flies observe motion in a shorter time than our own eyes can achieve, which allows them to avoid being hit.再根據(jù)最后一段中的“The next step in the research will be to test RAS39。根據(jù)章第二段中的“ The Robot Activity Support System, or RAS, uses sensors （傳感器）equipped in a WSU smart home to determine where its residents are, what they are doing and when they need assistance with daily activities”可知機器人活動支持系統(tǒng)（RAS）使用WSU智能家居中配備的傳感器（傳感器）來確定其居民在哪里，他們在做什么以及何時需要日?；顒拥膸椭?，說明傳感器起到了重大的作用，故選A。B.Doubtful.It can locate people and do any task.根據(jù)第三段中的“A new environmentallyfriendly shopping model was recently launched at the World Economic Forum in Davos, Switzerland.”及全文內容可知，文章主要介紹美國一家公司推出一種新的零浪費購物模式。故選A。D.Zerowaste model. Loop is set to launch later this year in three eastern . states, and also in Paris, France and some of the surrounding area. Then Loop plans to expand to the . West Coast, Toronto, Canada and Britain by the end of this year or 2020.（1）What does the author intend to do in Paragraph 2? A. The world39。根據(jù)最后一段中的thus helping the bees, who give so much—to you, to me—without ever asking for anything in return.可知，這篇文章的目的是呼吁人們幫助為人類辛勤采蜜的蜜蜂，故選A。D.B.Bees39。d appreciate your letting your own garden grow just a little wild My future depends on all of us fostering spring and summers wild flowers, thus helping the bees, who give so much—to you, to me—without ever asking for anything in return.（1）What does me refer to in the passage? A. 【點評】本題考點涉及段落大意，詞義猜測和推理判斷三個題型的考查，是一篇科普類閱讀，要求考生根據(jù)上下文的邏輯關系，進行分析，推理，概括和歸納，從而選出正確答案。 （4）考查推理判斷?！惫蔬xA。Smart glasses will bee faster and lighter.C.D.Symbol.s still a lot of work to be done in the meantime, including various trials to make sure the radios play nicely with hardware and infrastructure construction so 5G isn39。 【點評】本題考點涉及細節(jié)理解和推理判斷兩個題型的考查，是一篇科普類閱讀，考生